52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_itoa.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: lfirmin <lfirmin@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/05/24 12:59:00 by lfirmin #+# #+# */
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/* Updated: 2024/05/29 10:31:36 by lfirmin ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static size_t ft_count(long int n)
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{
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size_t c;
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c = 0;
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if (n <= 0)
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c = 1;
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while (n != 0)
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{
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n = n / 10;
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c++;
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}
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return (c);
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}
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char *ft_itoa(int n)
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{
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char *str;
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size_t size;
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long int num;
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num = n;
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size = ft_count(num);
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str = (char *)malloc(size + 1);
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if (!str)
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return (NULL);
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str[size] = '\0';
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if (num < 0)
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num = -num;
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while (size--)
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{
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str[size] = num % 10 + '0';
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num = num / 10;
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if (n < 0 && size == 0)
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str[size] = '-';
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}
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return (str);
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}
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